TRB Pubsindex
Text Size:
x

« Prev Next »

Return to Results | New Search

Bookmark and Share

Title:

Laboratory Evaluation of Hot Mix Biobinder as a Sustainable Replacement for the Hot Mix Asphalt

Accession Number:

01698397

Record Type:

Component

Abstract:

This paper presents results of a systematic study conducted to examine the feasibility of total replacement of asphalt binder in Hot Mix Asphalt (HMA) using biobinder produced from Waste Cooking Oil (WCO). The rheological properties of two biobinders with different polymerization levels were investigated using dynamic shear rheometer. Frequency sweep test results showed that biobinder has similar viscoelastic behavior with asphalt binder at high frequencies and increasing the polymerization time can improve the viscoelastic properties of biobinder at low frequencies. Laboratory tests to evaluate the performance of the hot mix biobinder (HMB) for fatigue, thermal cracking, rutting and moisture susceptibility were conducted. Indirect tensile test (IDT) and semi-circle bend test (SCB) were used to evaluate the cracking resistance of HMB and HMA. The IDT and SCB test results showed that HMB has acceptable tensile strength and cracking resistance at intermediate temperatures. The flow number test results indicated that HMB has comparable plastic deformation resistance at its high performance grade temperature, whereas HMB showed high rut depth and stripping in Hamburg wheel tracking test. The IDT and creep compliance tests were used to evaluate the thermal cracking resistance of HMA and HMB. Results revealed that HMB has lower stiffness at low temperatures and higher thermal cracking resistance in comparison with HMA.

Supplemental Notes:

This paper was sponsored by TRB committee AFK30 Standing Committee on Non-Binder Components of Asphalt Mixtures.

Report/Paper Numbers:

19-02585

Language:

English

Corporate Authors:

Transportation Research Board

Authors:

Bahadori, Amir
Li, Ran
Zhang, Kun
Xin, Junna
Muhunthan, Balasingam
Zhang, Jinwen

Pagination:

6p

Publication Date:

2019

Conference:

Transportation Research Board 98th Annual Meeting

Location: Washington DC, United States
Date: 2019-1-13 to 2019-1-17
Sponsors: Transportation Research Board

Media Type:

Digital/other

Features:

Figures; References; Tables

Subject Areas:

Highways; Materials; Pavements

Source Data:

Transportation Research Board Annual Meeting 2019 Paper #19-02585

Files:

TRIS, TRB, ATRI

Created Date:

Dec 7 2018 9:38AM